AT29C010A-90JU Atmel, AT29C010A-90JU Datasheet - Page 11

• Manufacturer Part Number: AT29C010A-90JU
• Description: IC FLASH 1MBIT 90NS 32PLCC
• Manufacturer: Atmel

Specifications of AT29C010A-90JU

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 1M (128K x 8)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

18. Software Data Protection Enable
Notes:
20. Software Protected Program Cycle Waveform
Notes:
0394i–FLASH–9/08
Algorithm
1. Data Format: I/O7 - I/O0 (Hex); Address Format: A14
2. Data Protect state will be activated at end of program
3. Data Protect state will be deactivated at end of pro-
4. 128 bytes of data MUST BE loaded.
1. A7 through A16 must specify the sector address during each high to low transition of WE (or CE) after the software code has
2. OE must be high when WE and CE are both low.
3. All bytes that are not loaded within the sector being programmed will be indeterminate.
- A0 (Hex).
cycle.
gram period.
been entered.
SECTOR (128 BYTES)
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA A0
LOAD DATA 55
LOAD DATA
(1)
TO
TO
TO
TO
(4)
WRITES ENABLED
ENTER DATA
PROTECT STATE
(2)
19. Software Data Protection Disable
Algorithm
(1)(2)(3)
SECTOR (128 BYTES)
ADDRESS 2AAA
ADDRESS 2AAA
ADDRESS 5555
ADDRESS 5555
ADDRESS 5555
ADDRESS 5555
LOAD DATA AA
LOAD DATA AA
LOAD DATA 55
LOAD DATA 80
LOAD DATA 55
LOAD DATA 20
LOAD DATA
(1)
TO
TO
TO
TO
TO
TO
TO
(4)
EXIT DATA
PROTECT STATE
AT29C010A
(3)
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